Which alphabet letter is a question?

why number 8549176320 is one of a kind?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

Who can jump higher than a Mountain?

You can move only two matchsticks in the given picture. What is the highest number you can form by doing it?

A father's child, a mother's child, yet no one's son.

Who am I?

How many times can you subtract the number 5 from 25?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

You are a prisoner sentenced to death. The Emperor offers you a chance to live by playing a simple game. He gives you 50 black marbles, 50 white marbles, and 2 empty bowls. He then says, 'Divide these 100 marbles into these 2 bowls. You can divide them any way you like as long as you use all the marbles. Then I will blindfold you and mix the bowls around. You then can choose one bowl and remove ONE marble. If the marble is WHITE you will live, but if the marble is BLACK... you will die.'

How do you divide the marbles up so that you have the greatest probability of choosing a WHITE marble?